Singapore's Premier Digital Letterbox Lock Installation & Replacement
Need a Digital Letterbox Lock or Smart Mailbox Lock in Singapore? Upgrade from old keys! We specialize in fast, affordable **installation** and **replacement** for all HDB & condo letterboxes. Choose a secure, keyless **digital mailbox lock** today!
Warranty Assurance: All our locks come with a 1-Year Seller Warranty with On-Call Support β Singapore's Only One!
Order Your Mailbox/Letterbox Digital Lock Now βποΈ BTO / New Estate Group Buy Discount
Moving into a new place? Gather your neighbours & save big!
- ποΈ 5 Pax: 10% OFF
- π 10+ Pax: 20% OFF
Choose Your Lock Model
Compare: Digital vs. Smart vs. Key Locks
Not sure which **letterbox digital lock** is right for you? Compare our top models below to find the perfect fit for your HDB or Condo mailbox.
| Feature | P1 (Key) | P2 (Mech) | P3 (Pass) | P4 (Smart) | P5 (Ergo) | P6 (Zinc) | P7 (Horiz) | P8 (Hi-Sec) | P9 (Zinc-4) |
|---|---|---|---|---|---|---|---|---|---|
| Price (Inc. Install) | $50 | $50 | $55 | $60 | $60 | $65 | $65 | $75 | $85 |
| Unlock Method | Key | Code | Code | PIN | Code | Code | PIN | Code | Code |
| Battery Req? | No | No | No | Yes | No | No | Yes | No | No |
| Retrieval Key? | N/A | No | Yes | No | Yes | Yes | No | Yes | Yes |
Installation Photo Gallery & Case Studies












Visit our Carousell Page to read our 5-star reviews!
Order Confirmation Form
For confirmed orders, please fill below.
For general questions, click the WhatsApp Icon at bottom right.
Service Coverage & Common Issues
We provide professional **digital letterbox lock installation** and **smart mailbox lock upgrades** islandwide. We solve all common problems, including **lost HDB letterbox key**, **mailbox lock replacement**, or if your **mailbox lock is spoiled**. We are your trusted **letterbox locksmith** in all HDB estates:
Ang Mo Kio, Bedok, Bukit Merah, Hougang, Jurong, Punggol, Sengkang, Tampines, Woodlands, Yishun, and all other areas in Singapore.
What Our Customers Say
"Excellent service! The technician arrived on time and replaced my HDB mailbox lock in under 20 minutes. The new digital lock is so convenient. Highly recommended!"
"Lost my keys and was locked out of my condo letterbox. Called them for their emergency unlock service. They were fast, professional, and the price was very reasonable. Thank you!"
"The smart lock is a game-changer. I love the peace of mind knowing my mail is secure. Installation was seamless. Great job!"
"Very responsive seller on Carousell! Installation of the digital letterbox lock was quick and fuss-free. Lock works perfectly."
"Good quality digital lock for my HDB mailbox. Cheaper than other places. Recommended seller from Carousell."
Frequently Asked Questions (Mailbox Locks)
- What should I do if I lost my HDB letterbox key?
- If you've lost your HDB letterbox key, don't worry. Contact our 24/7 emergency service. We can either unlock your existing letterbox for a SGD 25 fee, or we can replace the entire lock with a new digital one, which includes the unlocking service. This is often the best time to upgrade to a keyless solution.
- How much does it cost to change a mailbox lock in Singapore?
- Our prices for changing a mailbox lock start from just SGD 50. This price includes the new lock and the full installation service. If your current lock is locked and you've lost the key, an additional SGD 25 unlocking fee applies.
- What warranty do you provide?
- All our digital and mechanical mailbox locks include a **1-Year Seller Warranty with on-call support** β **Singapore's Only One!**, giving you complete peace of mind.
- How long does the installation take?
- Installation is very fast, typically taking only 15β30 minutes. We provide on-call service, and our standard lead time is just 1β2 business days after you confirm your order.
- Will you damage my letterbox?
- No. Our technicians are professional locksmiths who use specialized tools to ensure a clean installation or replacement with no damage to your letterbox door.
- Do your digital mailbox locks require batteries?
- Our most popular password and key models (Product 1, 2, 3, 6, 8, 9) are fully mechanical and do not require batteries. Only the "Smart Battery-Powered" locks (Product 4, 7) use CR2032 batteries, which last over 12 months.
- What is "Retrieve Password" on some locks?
- Our models like Product 3, 5, 6, 8 and 9 have a password retrieval mechanism. This means if you forget your code, you don't need to break the lock. We can use a master key or tool to find your password for you. Crucially, this key cannot open the lock directly.
- Can I replace my old mechanical lock with a digital one?
- Yes, absolutely! Our service is primarily focused on replacing old, faulty, or key-based locks with modern digital and smart options. Our team ensures a perfect fit for nearly all HDB and condominium letterbox models.
- Do you sell Traditional Key Locks?
- Yes, we do! If you prefer a simple solution, our PRODUCT 1: Traditional Key Mailbox Lock is available for SGD 50, which includes installation and two new keys.
- How secure are mechanical digital letterbox locks?
- Mechanical digital locks are highly secure. Especially our Product 8 & 9 (4-Digit Locks), which offer 10,000 combinations, making them extremely secure against guessing.
- Do you provide emergency service outside of regular business hours?
- Yes, we offer 24/7 on-call support for emergency services, especially for mailbox unlocking (SGD 25 fee applies). We understand that urgent issues like lost keys can happen anytime.
Helpful Articles & Guides
-
SingPost Mailbox & Key Support
Official guide from SingPost on what to do if you encounter issues with your letterbox or mail delivery.
-
Town Council Regulations for HDB Estates
Understand how Town Councils manage common property, including letterbox maintenance in HDB estates.
-
Official HDB/Condo Letter Box Guidelines
Stay informed with the official IMDA specifications and guidelines for mailbox installations in Singapore.
Our Comprehensive Mailbox Lock Services
- Digital Lock Installation & Replacement: We specialize in installing and replacing HDB **digital letterbox locks** and condo **smart mailbox locks**.
- Upgrade Your Existing Lock: Easily upgrade from your standard SingPost key lock to a modern, secure **keyless digital lock**.
- 24/7 Emergency Locksmith: Lost key? Lock jammed? Our emergency service provides quick unlocking and **digital mailbox lock** installation.
- Professional & Affordable: As leading **letterbox locksmiths** in Singapore, we offer expert installation for all **digital and smart locks** from SGD 50.
- Top Choice for Mailbox Security: Choose Singapore's preferred provider for reliable **digital lock for letterbox** solutions.